AI Plugin IndexN8n Nodes A2a Protocol vs MCP Registry Server
N8n Nodes A2a Protocol and MCP Registry Server are both ai and llm tools MCP servers. MCP Registry Server scores higher (94 vs 39 out of 100). MCP Registry Server has more GitHub stars (7.4k), and MCP Registry Server was updated more recently (9 days ago). The table compares them side by side.
| N8n Nodes A2a Protocol | MCP Registry Server | |
|---|---|---|
| Score | 39 / 100 | 94 / 100 |
| What it does | Agent2Agent (A2A) Protocol nodes for n8n - Enable agent interoperability, communication, and MCP integration | Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server. |
| Publisher | Verified: npm:n8n-nodes-a2a-protocol | Verified: mcp.com.ai |
| Grades | Licence A, Quality C | Maintenance A, Licence F, Quality A |
| npm downloads a week | 27 | Not on npm |
| Runs | Local | Remote |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT |
| GitHub stars | 0 | 7,381 |
| Last commit | 14 Oct 2026 | |
| Licence | MIT | NOASSERTION |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install N8n Nodes A2a Protocol | Install MCP Registry Server |
Questions
Is N8n Nodes A2a Protocol or MCP Registry Server more popular?
MCP Registry Server has more GitHub stars: 7,381.
Can I use N8n Nodes A2a Protocol and MCP Registry Server together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.